Get matched with top generator install pros in Dundalk, MD

Q: How does a generator transfer switch save me money?

• <div><p>It might seem counterintuitive, but installing a generator transfer switch will save you money in the long run. While you&rsquo;ll have to pay between <b>$400 and $2,500</b> to have the transfer switch installed, you&rsquo;ll recoup that amount later on when you don&rsquo;t have to pay for expensive repairs to your appliances, devices, and electrical system that may have burned out, overloaded, or stopped working due to a sudden loss of power or an incorrect <a href="https://www.angi.com/articles/how-to-hook-up-generator-to-house.htm">hook up of a generator to your home</a>. </p></div>

Q: What is the life expectancy of a whole house generator?

• <div><p>Whole-house generators can last<b> 20 to 40 years</b> with normal operation and proper maintenance. If you look up the specifications for your generator, you may be able to find a lifespan rated in hours of operation. Life expectancy will vary depending on how often and for how long you use the generator each year. Choosing a fuel with low impact like natural gas or diesel can help generators last as long as possible.</p></div>

Q: Do I really need a generator transfer switch?

• <div><p>Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for <a href="https://www.angi.com/articles/what-is-an-electrical-emergency.htm">electrical emergencies</a>. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency. </p></div>

Q: How much energy can I expect a home wind turbine to generate?

• <div><p>Energy output depends on turbine size, average wind speed at your site, and system efficiency. A 5 kW turbine in a good wind location can generate 8,000 to 12,000 kilowatt-hours per year, which may cover a large portion of an average home&rsquo;s needs. Accurate output estimates require a professional wind assessment and a review of your household&rsquo;s energy usage patterns.</p></div>

Q: What can I run on different generator sizes?

• <div><p>Here&rsquo;s what you can run with different wattages and types of generators:</p><p>Portable generator:</p><ul><li><p>2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers. </p></li><li><p>4,000 watts will keep two large appliances operating and a few smaller devices.</p></li><li><p>8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.</p></li></ul><p>Partial to whole-house generator:</p><ul><li><p>20,000 watts and above will make it seem like your home&rsquo;s power is still on.</p></li></ul><p></p></div>

There are 7 highly-rated local generator install pros.

Verified Reviews for Generator Install pros in Dundalk, MD

*The Angi rating for Generator Install companies in Dundalk, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

*The HomeAdvisor rating for Generator Install companies in Dundalk, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

Last update on October 26, 2025

Reviewed in August 2024
Thompson Creek replaced the siding/trim for my whole house about 10 years ago. They also did a patio door and a number of windows. At the time of install, they indicated that the siding and patio door would have the same (lifetime) warranty as the windows. Within the first 10 years they came out...
Thompson Creek Window Company
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Reviewed in September 2023
Edwin and his team are fantastic. I have been working with Edwin for nearly 10 years. He is the only person I go to for routine landscaping, stone work, hardscaping, and general â handymanâ work around my home. On his most recent project for me, he completely transformed the exterior of my...
The Geo Real Deal
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Reviewed in December 2020
Technician could not diagnose the problem. He said everything looked right and he spent considerable time trying to locate the issue. However, he thought it could be connected to an issue with our generator system and offered to speak with our generator company to try and solve it. He was very...
Bethany Air Heating & Air Conditioning
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Reviewed in April 2017
CClassic Marble and Granite delivered and installed three quartz counter tops in our new kitchen and one quartz counter top in our master bathroom. On the appointed day (1/12/17) Classic sent a representative to measure for the new countertops and agree on the details of the installation with...
Classic Granite & Marble
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Reviewed in August 2015
I found Design Expo through Angie's List. i called the store and Scott came to my house that very afternoon. He made an excellent recommendation for carpet. I stopped in the store to pick out the carpet color and Gene was very helpful with that. The installers did an awesome job, were very...
The Design Expo - Flooring Center of Bowie
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Reviewed in October 2014
Installing a residential photovoltaic (PV) system, i.e., solar panels, is not a straight forward home improvement project. The industry is still maturing as the technology is changing rapidly and the federal and state incentives have not stabilized. It still takes about 7 or 8 years to recoup...
Maryland Solar Solutions Inc
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Reviewed in June 2014
They're great, very nice. In general, he seems super super nice I'll be glad to use them with trees also, he was punctual in returning the call.
Arbormasters Tree and Landscape
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Reviewed in May 2013
Gene and his crew were awesome! We were impressed with Gene from his initial visit when he came out to give us an estimate. The bathroom is in the loft of a cottage and is kind of a funky space that initially had a weird layout. Within 2 minutes of first looking at it, Gene came up with a whole...
Stowe Contracting -Transformative Innovations
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Reviewed in September 2012
After I called to inquire about installing a transfer switch, Alex responded quickly and came out to the house to discuss the project. He spent over an hour discussing options for the transfer switch and power inlet. I took a few days to think over my options, and after I decided on what I...
Alex's Electrical Service
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Reviewed in June 2008
Doug called to confirm our appointment and arrived on time. He did a thorough inspection, squeezing down into the crawlspace under the house. He showed me exactly what the problems were and made suggestions. He left a manual with sections on all the home systems and general maintenance...
ANDERSON HOME INSPECTION
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